Percentage of students in grades 9 through 12 who reported experience with drugs and violence on school property, by race/ethnicity, grade, and sex: Selected years, 1997 through 2009

Type of violence or drug-related behavior, and sex

1997 total

1999 total

2003 total

2005 total

2007 total

2009

Total

Race/ethnicity

Grade

White

Black

Hispanic

9th

10th

11th

12th

1

2

3

4

5

6

7

8

9

10

11

12

13

14

Felt too unsafe to go to school1

4.0

(0.6)

5.2

(1.3)

5.4

(0.41)

6.0

(0.61)

5.5

(0.39)

5.0

(0.34)

3.5

(0.33)

6.3

(0.76)

8.1

(0.60)

5.8

(0.44)

5.0

(0.53)

5.3

(0.60)

3.4

(0.42)

Male

4.1

(0.8)

4.8

(1.6)

5.5

(0.51)

5.7

(0.56)

5.4

(0.44)

4.6

(0.43)

3.3

(0.43)

5.9

(0.77)

7.9

(1.06)

5.4

(0.61)

4.6

(0.66)

4.9

(0.72)

3.4

(0.63)

Female

3.9

(0.7)

5.7

(1.5)

5.3

(0.51)

6.3

(0.77)

5.6

(0.53)

5.3

(0.38)

3.8

(0.43)

6.6

(1.12)

8.3

(0.77)

6.4

(0.73)

5.3

(0.64)

5.8

(0.84)

3.3

(0.46)

Carried a weapon on school property1,2

8.5

(1.5)

6.9

(1.2)

6.1

(0.56)

6.5

(0.46)

5.9

(0.37)

5.6

(0.32)

5.6

(0.44)

5.3

(0.74)

5.8

(0.58)

4.9

(0.46)

6.1

(0.57)

5.2

(0.44)

6.0

(0.57)

Male

12.5

(2.9)

11.0

(2.1)

8.9

(0.77)

10.2

(0.82)

9.0

(0.65)

8.0

(0.52)

8.3

(0.76)

6.6

(1.06)

7.9

(0.90)

6.4

(0.74)

8.9

(0.91)

7.9

(0.77)

9.1

(1.03)

Female

3.7

(0.7)

2.8

(0.7)

3.1

(0.51)

2.6

(0.31)

2.7

(0.33)

2.9

(0.24)

2.4

(0.28)

4.0

(0.83)

3.7

(0.52)

3.2

(0.39)

3.1

(0.55)

2.3

(0.35)

2.9

(0.40)

Threatened or injured with a weapon on school property3

7.4

(0.9)

7.7

(0.8)

9.2

(0.77)

7.9

(0.36)

7.8

(0.44)

7.7

(0.37)

6.4

(0.43)

9.4

(0.80)

9.1

(0.61)

8.7

(0.53)

8.4

(0.72)

7.9

(0.60)

5.2

(0.53)

Male

10.2

(1.4)

9.5

(1.6)

11.6

(0.97)

9.7

(0.41)

10.2

(0.59)

9.6

(0.59)

7.8

(0.65)

11.2

(1.25)

12.0

(1.07)

9.5

(0.92)

11.1

(1.16)

10.7

(0.89)

6.5

(0.73)

Female

4.0

(0.6)

5.8

(1.2)

6.5

(0.61)

6.1

(0.41)

5.4

(0.41)

5.5

(0.37)

4.9

(0.47)

7.4

(0.84)

6.3

(0.60)

7.7

(0.61)

5.2

(0.74)

4.8

(0.59)

3.8

(0.52)

Engaged in a physical fight on

school property3

14.8

(1.3)

14.2

(1.3)

12.8

(0.77)

13.6

(0.56)

12.4

(0.48)

11.1

(0.54)

8.6

(0.58)

17.4

(0.99)

13.5

(0.82)

14.9

(0.98)

12.1

(0.83)

9.5

(0.63)

6.6

(0.59)

Male

20.0

(2.0)

18.5

(1.4)

17.1

(0.92)

18.2

(0.92)

16.3

(0.60)

15.1

(1.05)

12.4

(1.25)

22.2

(1.40)

17.7

(1.26)

19.7

(1.75)

16.4

(1.66)

13.3

(0.97)

9.3

(0.95)

Female

8.6

(1.5)

9.8

(1.9)

8.0

(0.71)

8.8

(0.51)

8.5

(0.62)

6.7

(0.42)

4.3

(0.40)

12.5

(1.45)

9.3

(0.93)

9.5

(0.72)

7.3

(0.73)

5.5

(0.70)

3.8

(0.47)

Cigarette use on school property1

14.6

(1.5)

14.0

(1.9)

8.0

(0.71)

6.8

(0.41)

5.7

(0.50)

5.1

(0.31)

5.8

(0.50)

2.6

(0.46)

4.8

(0.36)

3.7

(0.32)

4.7

(0.47)

6.2

(0.65)

6.5

(0.60)

Male

15.9

(1.7)

14.8

(2.0)

8.2

(0.66)

7.4

(0.41)

6.5

(0.53)

6.2

(0.48)

6.6

(0.69)

4.0

(0.85)

5.9

(0.66)

4.2

(0.47)

5.6

(0.84)

7.1

(0.91)

8.4

(0.85)

Female

13.0

(2.2)

13.2

(2.0)

7.6

(0.92)

6.2

(0.61)

4.8

(0.56)

4.0

(0.32)

4.7

(0.52)

1.2

(0.34)

3.7

(0.44)

3.0

(0.37)

3.5

(0.51)

5.1

(0.66)

4.4

(0.65)

Smokeless tobacco use on school property4

5.1

(1.4)

4.2

(1.8)

5.9

(1.53)

5.0

(0.61)

4.9

(0.71)

5.5

(0.59)

7.0

(0.90)

2.6

(0.48)

3.2

(0.40)

4.1

(0.56)

5.1

(0.75)

6.2

(0.71)

6.7

(0.90)

Male

9.0

(2.5)

8.1

(3.5)

8.5

(1.48)

9.2

(1.12)

8.9

(1.31)

9.4

(1.16)

12.1

(1.83)

4.1

(0.84)

5.3

(0.77)

6.2

(0.99)

8.8

(1.37)

11.0

(1.39)

12.6

(1.74)

Female

0.4

(0.2)

0.3

(0.2)

3.3

(1.68)

0.8

(0.15)

1.0

(0.20)

1.1

(0.16)

1.1

(0.24)

1.0

(0.29)

1.2

(0.31)

1.6

(0.35)

0.9

(0.26)

1.1

(0.37)

0.6

(0.17)

Alcohol use on school property1

5.6

(0.7)

4.9

(0.7)

5.2

(0.46)

4.3

(0.31)

4.1

(0.32)

4.5

(0.29)

3.3

(0.27)

5.4

(0.59)

6.9

(0.70)

4.4

(0.37)

4.8

(0.46)

4.6

(0.44)

4.1

(0.44)

Male

7.2

(1.3)

6.1

(1.1)

6.0

(0.61)

5.3

(0.41)

4.6

(0.35)

5.3

(0.41)

4.1

(0.48)

5.9

(0.80)

7.9

(0.91)

4.3

(0.51)

5.9

(0.82)

5.7

(0.66)

5.4

(0.64)

Female

3.6

(0.7)

3.6

(0.7)

4.2

(0.41)

3.3

(0.31)

3.6

(0.37)

3.6

(0.34)

2.3

(0.34)

4.8

(0.76)

5.9

(0.79)

4.5

(0.52)

3.5

(0.45)

3.4

(0.54)

2.7

(0.40)

Marijuana use on school property1

7.0

(1.0)

7.2

(1.4)

5.8

(0.66)

4.5

(0.31)

4.5

(0.46)

4.6

(0.35)

3.8

(0.38)

5.6

(0.64)

6.5

(0.76)

4.3

(0.38)

4.6

(0.50)

5.0

(0.55)

4.6

(0.49)

Male

9.0

(1.3)

10.1

(2.6)

7.6

(0.87)

6.0

(0.46)

5.9

(0.61)

6.3

(0.54)

5.1

(0.60)

8.3

(1.03)

8.7

(0.91)

5.2

(0.67)

6.4

(0.77)

6.9

(0.80)

7.0

(0.85)

Female

4.6

(1.1)

4.4

(0.8)

3.7

(0.46)

3.0

(0.31)

3.0

(0.39)

2.8

(0.32)

2.3

(0.38)

2.9

(0.52)

4.2

(0.86)

3.4

(0.53)

2.5

(0.48)

3.0

(0.55)

2.1

(0.36)

Offered, sold, or given an illegal drug on school property3

31.7

(1.8)

30.2

(2.4)

28.7

(1.94)

25.4

(1.07)

22.3

(1.04)

22.7

(1.04)

19.8

(1.13)

22.2

(1.42)

31.2

(1.53)

22.0

(1.32)

23.7

(1.11)

24.3

(1.44)

20.6

(1.21)

Male

37.4

(2.3)

34.7

(3.3)

31.9

(2.09)

28.8

(1.22)

25.7

(1.15)

25.9

(1.36)

22.7

(1.55)

25.7

(1.90)

35.1

(1.59)

22.9

(1.94)

27.3

(1.70)

27.8

(2.05)

25.8

(1.46)

Female

24.7

(2.4)

25.7

(2.4)

25.0

(1.94)

21.8

(1.02)

18.7

(1.16)

19.3

(1.01)

16.5

(1.11)

18.8

(2.02)

27.1

(1.96)

21.1

(1.40)

19.6

(1.25)

20.5

(1.46)

15.4

(1.36)

1 One or more times during the 30 days preceding the survey.

2 Such as a gun, knife, or club.

3 One or more times during the 12 months preceding the survey.

4 Used chewing tobacco or snuff one or more times during the 30 days preceding the survey.

NOTE: Totals include other racial/ethnic groups not shown separately and students whose racial/ethnic group or grade was not reported. Race categories exclude persons of Hispanic ethnicity. Standard errors appear in parentheses.

SOURCE: U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, Youth Risk Behavior Survey (YRBS), 2009 National YRBS Data Files, retrieved June 21, 2010, from http://www.cdc.gov/HealthyYouth/YRBS/data/index.htm. (This table was prepared June 2010.)